Number puzzles are great for helping students practice ordering numbers. Students will be able to self check and correct because the picture will not fit right unless the number order is correct.

I would print the cards representing units in a particular period the same color. More Place Value Ideas - FREE printable - Example on extending learning beyond an ipad game with the use of FREE printable resource

Skip Counting by 6 and Can be used as an outdoor activity where students have to jump, leap, hop, skip etc. through hoops laid on the floor. Students/teacher can write in chalk the starting number on the ground.